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| Problem 23109650321 (Posted on 2010-06-14) |
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What is the next number in this series? Explain.
23109650321_
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Submitted by John zadeh
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Solution:
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12 X 11 = 132, reverse it to get 231
....10 X 9 = 90, reverse it to get 09
....8 X 7 = 56, 65
....6 X 5 = 30, 03
....4 X 3 = 12, 21
....ANSWER:
2 X 1 = 2, reverse it to get 2 |
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